This repository contains solutions and explanations for the SQL 50 challenge on LeetCode, designed to enhance SQL skills by covering a variety of core and advanced concepts.

The SQL 50 collection on LeetCode provides a diverse set of SQL problems ranging from easy to hard. These exercises are ideal for anyone looking to strengthen their SQL knowledge and prepare for technical interviews or real-world data tasks.

• Basic Queries – Select statements and filtering
• Joins – Inner, Left, Right, and Full joins
• Aggregate Functions – SUM(), COUNT(), AVG(), etc.
• Sorting and Grouping – ORDER BY, GROUP BY, and HAVING
• Subqueries – Correlated and non-correlated subqueries
• Window Functions – RANK(), ROW_NUMBER(), PARTITION BY
• String Functions and Regex – Text manipulation and pattern matching

Happy Coding! 🎉